Message ID | 20220610134113.62991-5-atrajeev@linux.vnet.ibm.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show
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Fri, 10 Jun 2022 13:41:30 +0000 (GMT) From: Athira Rajeev <atrajeev@linux.vnet.ibm.com> To: mpe@ellerman.id.au Subject: [PATCH V3 04/35] selftest/powerpc/pmu: Add support for branch sampling in get_intr_regs function Date: Fri, 10 Jun 2022 19:10:42 +0530 Message-Id: <20220610134113.62991-5-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220610134113.62991-1-atrajeev@linux.vnet.ibm.com> References: <20220610134113.62991-1-atrajeev@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: qdpOTQus6rvDLbhCrJsiquVeo6SiUoxt X-Proofpoint-ORIG-GUID: qdpOTQus6rvDLbhCrJsiquVeo6SiUoxt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-10_06,2022-06-09_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxlogscore=999 mlxscore=0 adultscore=0 spamscore=0 priorityscore=1501 phishscore=0 bulkscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2206100056 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: kjain@linux.ibm.com, maddy@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
Add group constraints and event code test as part of selftest
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expand
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diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c index 6e30b455cbd6..5a26fc3a9706 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c @@ -259,13 +259,32 @@ u64 *get_intr_regs(struct event *event, void *sample_buff) u64 *intr_regs; size_t size = 0; - if ((type ^ PERF_SAMPLE_REGS_INTR)) + if ((type ^ (PERF_SAMPLE_REGS_INTR | PERF_SAMPLE_BRANCH_STACK)) && + (type ^ PERF_SAMPLE_REGS_INTR)) return NULL; intr_regs = (u64 *)perf_read_first_sample(sample_buff, &size); if (!intr_regs) return NULL; + if (type & PERF_SAMPLE_BRANCH_STACK) { + /* + * PERF_RECORD_SAMPLE and PERF_SAMPLE_BRANCH_STACK: + * struct { + * struct perf_event_header hdr; + * u64 number_of_branches; + * struct perf_branch_entry[number_of_branches]; + * u64 data[]; + * }; + * struct perf_branch_entry { + * u64 from; + * u64 to; + * u64 misc; + * }; + */ + intr_regs += ((*intr_regs) * 3) + 1; + } + /* * First entry in the sample buffer used to specify * PERF_SAMPLE_REGS_ABI_64, skip perf regs abi to access